.circle {
  position: absolute;
  bottom: 16px;
  width: 100px;
  height: 100px;
  background: rgba(120, 120, 120, 0.3);
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  box-sizing: border-box;
  filter: drop-shadow(0px 1px 1px rgba(0, 0, 0, .25));
  z-index: 11
}

.thumb {
  position: absolute;
  left: 20px;
  top: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .6);
  box-shadow: 0px 1px 2px rgba(200, 200, 200, .25);
}